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The BlackStar 80B57 is a 80 pitch B-Hub roller chain sprocket with 57 teeth, precision manufactured from SAE 1045 steel and features machine-cut tooth profiles for smooth, reliable chain engagement.
| Specifications | |
|---|---|
| Part Number | 80B57 |
| Chain Pitch | 80 |
| Number of Teeth | 57 |
| Minimum Bore | 1-1/4" |
| Maximum Bore | 3-1/2" |
| Bore Type | Plain Bore |
| Hub Style | B-Hub |
| Strand Count | Single |
| Material | Steel |
| Outside Diameter | 18.73" |
| Pitch Diameter | 18.153" |
| Approx. Weight | 48.5 lbs |

Cross-references: Browning H80B57, Martin 80BS57, Boston Gear RS80B57
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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